343641031 has 2 divisors, whose sum is σ = 343641032. Its totient is φ = 343641030.

The previous prime is 343641019. The next prime is 343641037. The reversal of 343641031 is 130146343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343641031 - 2¹¹ = 343638983 is a prime.

It is a super-2 number, since 2×343641031² = 236178316373485922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343640987 and 343641005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343641037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171820515 + 171820516.

It is an arithmetic number, because the mean of its divisors is an integer number (171820516).

Almost surely, 2^343641031 is an apocalyptic number.

343641031 is a deficient number, since it is larger than the sum of its proper divisors (1).

343641031 is an equidigital number, since it uses as much as digits as its factorization.

343641031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 343641031 is about 18537.5573094192. The cubic root of 343641031 is about 700.4358041321.

Adding to 343641031 its reverse (130146343), we get a palindrome (473787374).

The spelling of 343641031 in words is "three hundred forty-three million, six hundred forty-one thousand, thirty-one".